Area Code +81-428-(270000...279999) located in Ome, Tokyo (13), more detail is as below. Place International Dialing Code : 81 International Prefix : 010 National Prefix : 0 National Destination Code : 428 Subscriber Number From : 270000 Subscriber Number To : 279999 National Destination Code Length : 3 Uses National Destination Code : Yes National Significant Number Length : 9 Number Type : G (Geographic Land Line, Fixed Line) Carrier Name : KDDI Click here to buy Japan Area Code Database Other Information Language Code : ja (Japanese) Country Number : 392 (Japan) Country Code : JP (Japan) Region Code : 13 Region Name : Tokyo City : Ome Timezone : Asia/Tokyo Coordinated Universal Time : +09:00 Daylight Saving Time : No National Significant Number Minimum Length : 9 Latitude : 35.7900 Longitude : 139.2800 ‹ previous : +81-428-(260000...269999) next › : +81-428-(280000...289999) Dialling Instructions For trunk calls: 0 428 270000 (Trunk Code + National Destination Code + Subscriber Number) For international calls: 010 81 428 270000 (International Prefix + International Dailing Code +National Destination Code + Subscriber Number) Telephone Number List 270000 ~ 279999 (Count: 10,000) Example: +81-428-270000 / 01081-428-270000 (0428-270000 / 0-428-270000) +81-428-270001 / 01081-428-270001 (0428-270001 / 0-428-270001) +81-428-270002 / 01081-428-270002 (0428-270002 / 0-428-270002) +81-428-270003 / 01081-428-270003 (0428-270003 / 0-428-270003) +81-428-270004 / 01081-428-270004 (0428-270004 / 0-428-270004) ...+81-428-xxxxxx / 01081-428-xxxxxx (0428-xxxxxx / 0-428-xxxxxx) ...+81-428-279995 / 01081-428-279995 (0428-279995 / 0-428-279995) +81-428-279996 / 01081-428-279996 (0428-279996 / 0-428-279996) +81-428-279997 / 01081-428-279997 (0428-279997 / 0-428-279997) +81-428-279998 / 01081-428-279998 (0428-279998 / 0-428-279998) +81-428-279999 / 01081-428-279999 (0428-279999 / 0-428-279999)